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Finding the Fourth Proportional to 3,600.75, 4,966.16 and 2,481.44

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Solution

The fourth proportional to 3,600.75, 4,966.16 and 2,481.44 is: 3,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.75 : 4,966.16 = 2,481.44 : x
  2. Step 2: Convert to fraction form
    3,600.75/4,966.16 = 2,481.44/x
  3. Step 3: Cross multiply
    3,600.75x = 4,966.16 × 2,481.44
  4. Step 4: Simplify right side
    3,600.75x = 12,323,204.79
  5. Step 5: Solve for x
    x = 12,323,204.79/3,600.75
  6. Step 6: Final answer
    x = 3,422.40

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Find fourth proportional to 1,800.38, 2,483.08 and 1,240.72
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.